When a man or woman walks in a way that leads you to believe they are homosexual.
He was so hot, but I knew not to get my hopes up when I saw his rainbow walk.
An alcohol induced projectile vomit of epic proportions.
John drank a bottle of Jose, resulting in a spectacular rainbow scream that painted the walls of his bathroom.
When a man's facial hair grows in patches of different colors.
Jeff's has a blonde mustache, black neckbeard, and red patches near his chin. He's got epic rainbow beard going on.
When you insert skittles into a girls pussy and she pushes them in your mouth
Michele shot her pussy rainbow 10 feet into my mouth
A shit so massive it goes from one end of the spectrum to the other. It typically starts off as a dry, hard bowel movement and ends in diarrhea.
Person 1: I was on the toilet for 20 minutes...
Person 2: Constipated?
Person 1: Nah, just took a rainbow dump... It kept coming.
Itching your bottom in front of an audience of 50 or more people
Sam: Did you see Mr. Williams speech during lunch today
Zach: Ya he was Rainbow hopping
when skittles or a candy like it are shoved up a male or females ass and eaten during intercourse
Jack: How was your one night stand?
Allan: She was insane bro, she gave me an Australian rainbow.
Jack: Thats what im talking about